I tested some other BIOS settings and found out that the disabling APIC
support improve a lot chrony perfomances : PPS is good and i get much
better performance with my ntp sources : better std dev and test C is not
failing anymore ( like it did 90% of the time on some sources before with
However, it also disable SMP support, so it's not a great solution.. I'm
currently trying to play with scheduling settings but so far no luck.
2017-09-07 15:32 GMT+02:00 Chris Perl <cp...@janestreet.com>:
> On Thu, Sep 7, 2017 at 5:09 AM, Thibaut BEYLER <thibautbey...@gmail.com>
> > So i guess this is realted to some kind of cpu scheduling. However i
> And, just to help rule out actual scheduler latency, you could run
> chronyd with realtime priority (SCHED_FIFO or SCHED_RR) to make sure
> it always has an absolute scheduling advantage over other processes
> that aren't running with realtime priority.
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